3,3′-Diethyloxadicarbocyanine iodide
3,3′-Diethyloxadicarbocyanine iodide (CAS 14806-50-9) is a cyanine dye with a molecular weight of 486.35 g/mol. It functions as a lipophilic probe and a fluorescent indicator, notable for its spectral properties. This compound is primarily utilised in biological research for labelling and imaging applications, particularly for studying membranes and cellular structures due to its fluorescent characteristics. It is supplied at a minimum purity of 99%.
- IUPAC
- 3-Ethyl-2-[5-(3-ethyl-2-benzoxazolinylidene)-1,3-pentadienyl]benzoxazolium iodide,DODC Iodide
- Synonyms
- DODC Iodide3-Ethyl-2-[5-(3-ethyl-2-benzoxazolinylidene)-1,3-pentadienyl]benzoxazolium iodide

Fluorescent Labeling
Utilised as a fluorescent probe for biological samples, enabling visualisation of cellular structures and membranes in microscopy and flow cytometry.
Membrane Potential Studies
As a lipophilic probe, it can be employed to investigate changes in membrane potential and fluidity within biological systems.
Biochemical Assays
Serves as a reagent in various biochemical assays where fluorescence detection is required, contributing to luminescent compound detection methods.
| Molecular weight | 486.35 |
|---|---|
| Empirical formula | C23H23IN2O2 |
| Assay | 99% |
| Melting point | 232 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 582 nm |
|---|---|
| Fluorescence | λex 582 nm; λem 603 nm |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,3′-Diethyloxadicarbocyanine iodide used for?
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3,3′-Diethyloxadicarbocyanine iodide is used as a fluorescent probe and lipophilic agent for biological research, particularly for labelling membranes and studying cellular structures in microscopy and flow cytometry.
What are the CAS number and formula for 3,3′-Diethyloxadicarbocyanine iodide?
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The CAS number is 14806-50-9, and its empirical formula is C23H23IN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Diethyloxadicarbocyanine iodide with an assay of 99%. This is a technical/research grade, and TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
How should 3,3′-Diethyloxadicarbocyanine iodide be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid inhalation of dust and contact with skin and eyes, as it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 3,3′-Diethyloxadicarbocyanine iodide a controlled substance?
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The provided data does not indicate that 3,3′-Diethyloxadicarbocyanine iodide is a controlled substance.
How is 3,3′-Diethyloxadicarbocyanine iodide shipped?
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This chemical is typically supplied in packaging suitable for research chemicals and is exported globally by TSS.
How can I request a quote or sample?
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Please contact the TSS sales team directly to request a quotation or a sample of 3,3′-Diethyloxadicarbocyanine iodide.
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